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| The function of this unit is
to supply filtered cool air in tunnels and control
rooms for comfort ventilation. This blower sucks
the outside air through intake louvers and filtered
in HDP filters provided in the unitary air filtration
unit. The water with suitable pumps is sprayed on
filters through nozzles and gets mixed up with the
air. Thus dry air temperature of air approach towards
wet bulb temperature and hence the air gets cooled.
The HDP climinator provided in unitary air filtration
unit eliminates the carry over water droplets with
filtered cooled air and the air is distributed in
the Tunnels/MCC room through GI ducting and MS supply
air grills. |
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